From 1ce6f065b519284a5ad7135a6db77fcbe1aa778a Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 10 Oct 2000 07:03:36 +0000
Subject: matz

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@990 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 string.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

(limited to 'string.c')

diff --git a/string.c b/string.c
index ff9e6bd0c2..46f9725ce3 100644
--- a/string.c
+++ b/string.c
@@ -1381,16 +1381,16 @@ static VALUE
 rb_str_reverse_bang(str)
     VALUE str;
 {
-    char *s, *e, *p, *q;
+    char *s, *e;
+    char c;
 
     s = RSTRING(str)->ptr;
     e = s + RSTRING(str)->len - 1;
-    p = q = ALLOCA_N(char, RSTRING(str)->len);
-
-    while (e >= s) {
-	*p++ = *e--;
+    while (s < e) {
+	c = *s;
+	*s++ = *e;
+	*e-- = c;
     }
-    MEMCPY(RSTRING(str)->ptr, q, char, RSTRING(str)->len);
 
     return str;
 }
-- 
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